Douro is river, villages and suspended vineyards on imposing slopes. It's wine with designation of origin but also D.O.C, Taste of Certified Origins. It was based on this analogy that, in 2007, the DOC restaurant was born. Situated in Folgosa, Armamar, on the road between Regua and Pinhao, in what is one of the most beautiful scenic routes in the country, the restaurant occupies a building of contemporary lines with a picket based that extends along an elegant wooden deck overlooking the river. Designed by the architect Michael Scott, the structure also includes a river dock with capacity for 15 boats, a wine cellar and a car park. It's a place of enormous beauty, blending the grandeur of the…